2-(4-Aminophenyl)-1H-benzimidazol-5-amine Chemical Properties

Melting point:

234.0 to 238.0 °C

Boiling point:

355.66°C (rough estimate)

Density 

1.2067 (rough estimate)

refractive index 

1.5890 (estimate)

storage temp. 

Keep in dark place,Inert atmosphere,Room temperature

solubility 

DMSO (Slightly), Methanol (Slightly)

form 

Solid

pka

11.15±0.10(Predicted)

color 

Pale Beige to Pale Brown

λmax

335nm(EtOH)(lit.)

InChI

InChI=1S/C13H12N4/c14-9-3-1-8(2-4-9)13-16-11-6-5-10(15)7-12(11)17-13/h1-7H,14-15H2,(H,16,17)

InChIKey

XAFOTXWPFVZQAZ-UHFFFAOYSA-N

SMILES

C1(C2=CC=C(N)C=C2)NC2=CC(N)=CC=C2N=1

EPA Substance Registry System

1H-Benzimidazol-5-amine, 2-(4-aminophenyl)- (7621-86-5)

Safety Information

RTECS 

DD5421200

HS Code 

2933998090

Toxicity

LD50 orl-rat: 5 g/kg GISAAA 43(9),23,78

2-(4-Aminophenyl)-1H-benzimidazol-5-amine Usage And Synthesis

Uses

2-(4-Aminophenyl)-1H-benzimidazol-5-amine is a useful as an aerogel lithium battery separator.

Description

2-(4-Aminophenyl)-1H-benzimidazol-5-amine (APBIA) is a synthetic raw material for the preparation of sulfonated polyimides containing benzimidazole (SPIBIs). The synthesised SPIBIs with polyhedral oligomeric silsesquioxane glycidyl ethers (G-POSS) can be used to prepare a number of novel organic-inorganic hybrid proton exchange membranes (PEMs). The obtained membranes exhibited good crosslink density at all gel fractions above 75%. The mechanical properties, oxidative stability and hydrolytic stability of the crosslinked membranes were significantly improved compared with those of pure SPIBI membranes.

Uses

2-(4-Aminophenyl)-1H-benzimidazol-5-amine is a useful as an aerogel lithium battery separator.

Safety Profile

Low toxicity by ingestion. Whenheated to decomposition it emits toxic vapors of NO_x.

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